Password, SSO, 2FA, and more
Beautifully styled components to help you get started quickly. No need to worry about design and internal logic.
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Auth can be good.
Stack Auth provides an open-source suite of tools for authentication and user management. Do auth in minutes.
Organizations & teams
Manage B2B customers with orgs & teams, supporting email invitations, team components, and management tools.
Permissions & RBAC
Define arbitrary permission trees and org-wide roles.
3rd-party OAuth
Access third-party OAuth APIs such as Gmail or OneDrive without having to think about OAuth flows or token refreshes.
Login to your account
Enter your email below to create your account
Wide range of features
for all kinds of apps
Impersonation
Impersonate users to debug issues or help your customers.
Headless or headful UI
Integrate our shadcn/ui components, or build your own with our headless SDK.
Rest API
Use our client and server APIs to build custom front- and backends.
No JWT setup required
StackAuth manages JWTs and access tokens for you, so you get the performance benefits without ever having to think about them.
Webhooks
Sync with Slack, your database, or any other service.
And many more new features
every week
is made with love
As an open-source project, we're powered by our amazing community.
Here's what our users have to say.
the Dev friendly authentication platform
Start building with
Stack Auth, today
